A | B |
Friction | the force that resists the sliding of one object over another |
Velocity | the speed and direction of an object; rate of motion in a particular direction |
Inertia | the tendency of an object to maintain its condition of rest or motion unless a force acts upon it |
Liquid | state of matter - substance flows readily & assumes shape of container but retains definite volume |
Diffusion | the mixing of molecules of one fluid throughout another by random molecular motion |
Streamlining | the science of shaping objects to reduce drag so that fluids flow more easily around them |
Weight | a measure of the gravitational pull on an object; directly proportional to mass |
Buoyancy | the tendency of an object to float when it is placed in a fluid |
Behemoth | a magnificent land animal described in Job 40:15-24 that seems to be a dinosaur |
Radiation | transfer of energy through space as electromagnetic waves; subatomic particles of matter moving at very high speeds |
Natural selection | the “survival of the fittest”; the fittest and strongest animals of a species are generally more likely to survive and produce offspring |
Heat | the transfer of thermal energy from an object of higher temperature to an object of lower temperature |
Convection | the transfer of heat by heated fluids rising |
Entropy | the amount of disorder in a system |
Fossil | remains or traces of a plant or animal in rock |
Herbivore | an animal that eats primarily plants or plant parts |
Absolute zero | the temperature at which molecules have no kinetic energy and therefore cease to move; -273.15º C or -459.67º F |
Poles | one of two points on a magnet at which magnetism is the strongest |
Ion | a charged atom |
Direct current | electric current that flows in only one direction |
Anode | the negative electrode of a voltaic cell |
Induction | process by which an object imparts a magnetic field or electric charge to another object without contact |
Magnetosphere | the outer region of the earth’s magnetic field |
Solar wind | stream of ionized gas particles radiating from holes in the sun’s corona; travels 310 mile/sec |
Proton | subatomic particle in an atom of matter, found in the nucleus and carries a positive charge |
Grounding | the process of diverting unwanted electric charge directly into the earth’s soil |
Neutron | subatomic particle in an atom of matter, found in the nucleus and carries no charge |
Domain | a group of aligned atoms with a single magnetic field |